At the end of the lesson:
1. The student should be able to know how to convert a decimal number into a fraction, a percent, and a ratio
2. The student should be able to know how to convert a percent number into a fraction, a decimal, and a ratio
3. The student should be able to know how to convert a fraction number into a decimal, a percent, and a ratio
4. The student should be able to know how to convert a ratio into a fraction, a decimal, and a percent